LINE of Duty actress Vicky McClure has admitted she knew about Oasis reuniting before the official announcement.
The 41-year-old actress is best known for her role as Detective Inspector Kate Fleming on hit BBC police drama Line of Duty.
As for Oasis, the rock band have just announced they will reunite next year for a new tour - after a hiatus of over a decade.
Taking to X, Vicky shared a video of the iconic band performing.
The clip also highlighted the cities and venues of the tour.
She wrote: "The coolest secret I’ve ever kept!",
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Vicky added: "Thanks for the gig", while tagging Noel Gallagher, Liam Gallagher and the band's account.
Previously, The Sun reported that Oasis had secretly agreed a deal to return for a series of UK concerts next summer.
A music insider said: “This is the reunion that no one thought would ever happen.
“Liam and Noel have been staunch enemies for well over a decade but they have secretly been back in touch.
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“A deal was put on the table and they both said yes - much to the surprise of the people around them.
“There will be concerts in the UK next summer and both Noel and Liam are excited to get back out there together.”
The band's original run spanned from 1991 to 2009.
While the reunion announcement came close to the 15th anniversary of Noel Gallagher's dramatic exit from the group.
A statement from Noel in 2009 read: "It is with some sadness and great relief...I quit Oasis tonight.
"People will write and say what they like, but I simply could not go on working with Liam a day longer."
Oasis - The Gallagher Feud Timeline
Brothers Noel and Liam Gallagher have a long history of ongoing fights - both physical and verbal - here's the full history of the band and what they've said to each other.
1991 - Liam Gallagher forms Oasis with Paul Arthurs, Paul McGuigan and Tony McCarroll, later asking Noel to join.
1993 - The band sign to Creation Records and start work on their debut album.
August 1994 - Oasis shoot to fame with their debut album, Definitely Maybe, with tracks including Rock n Roll Star, Live Forever and Supersonic. It's one of the fastest selling debuts ever for a British band.
September 1994 - Noel temporarily leaves the band's tour after Liam smacks him in the face with a tambourine on stage in Los Angeles.
1995 - The band release their second album, (What's The Story) Morning Glory? which features Wonderwall, Don't Look Back in Anger, and Champagne Supernova.
1996 - Liam is forced to sit out a leg of tour shows due to laryngitis, but causes chaos when he was filmed heckling his brother from a balcony while a taping of MTV Unplugged.
2000 - Noel quits the band temporarily for a second time when, while partying in Barcelona, Liam riles Noel by questioning if his daughter, Anais, is actually his. The pair get into a fist fight.
2005 - Noel tells Q Magazine that he's 'never forgiven' Liam for his comments about Anais and he's 'never apologised. He tells the mag: "He's my brother. I hope he's reading this and realises that. He's my brother but he's at arm's length until he apologises for what he's done."
2009 - Noel admits in an interview with Q that he 'doesn't like Liam', branding him "rude, arrogant, intimidating, and lazy". "He’s the angriest man you’ll ever meet," he added. "He’s like a man with a fork in a world of soup.”
Liam later retaliates and tells NME: “It takes more than blood to be my brother. He doesn’t like me and I don’t like him.”
August 23, 2009 - Oasis pull out of a headline slot at V Festival in the UK due to Liam having laryngitis.
August 28, 2009 - Ahead of the Rock en Seine festival, Noel and Liam get into another fight, during which time Liam breaks one of Noel's guitars after "waving it like an axe" according to Noel.
August 28, 2009 - Noel quits the band for the third and final time, saying in a statement: "It's with some sadness and great relief to tell you that I quit Oasis tonight. I simply could not go on working with Liam a day longer."
2010 - Oasis win 'best album of the last 30 years' at the Brit Awards for (What's the Story) Morning Glory. Liam picks up the gong, and thanks everyone except Noel. He later says this was misinterpreted as a dig.
2011 - Liam tries to sue Noel after he claims in the interview they cancelled their V Festival performance due to Liam being hungover. Liam disputed it said the comment "questioned my professionalism". He later apologised and the lawsuit was dropped.
2011 - Noel admits regrets at quitting before the Paris gig, telling Absolute Radio and admits if he did "we may never have split up."
2011 - 2014 - Liam and the other bandmates continue under new name, Beady Eye, while Noel forms new band, Noel Gallagher's High Flying Birds.
2015 - After years of jabs online, especially through media and Twitter, Liam teases he's buried the hatchet with Noel by sharing an All Areas pass from a High Flying Birds gig. However, the fight would recommence two months later after Noel publicly dismissed suggestion Oasis would reunite for Glastonbury 2016.
2017 - Liam performs at Manchester's One Love concert after the bombing at Ariana Grande's show, with Don't Look Back In Anger becoming a unifying anthem for the incident. He then slams Noel for not attending. Noel later tells Sunday Times: "Young music fan were slaughtered, and he, twice, takes it somewhere to be about him. He needs to see somebody.”
2018 - Liam suggests a reunion for the 2018 World Cup on Twitter, writing: “let’s get the big O back together and stop f***ing about the drinks are on me”. When it fell on deaf ears, he added: "I’ll take that as a NO then."
2019 - Noel speaks out after Liam sends 'threatening messages' to Anais after a comment made about then wife Sara McDonald. Liam later apologises publicly to Anais.
2020 - Liam urges Noel to reunite for a one-off charity gig.
Meanwhile, The Sun also reported that fellow original member Paul "Bonehead" Arthurs would be rejoining the Gallagher brothers on the tour.
Bonehead was rhythm guitarist for Oasis until 1999, when he was replaced by Gem Archer.
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Prior to that, he was also a member of the Rain alongside Paul McGuigan and Tony McCarroll.
The band became known as Oasis with the addition of Liam Gallagher and later his older brother Noel.